//列表的样式
@mixin list($direction:column) {
  @include flex($direction)
}

// 面板的样式
@mixin panel($width:300px,$bgc-color:#fff,$padding:0,$fontSize:14px,
  $color:#000) {
  background: $bgc-color;
  padding: $padding;
  margin: 0 auto;
  width: $width;
  color: $color;
  > h4 {
    font-size: 16px;
    height: 30px;
    line-height: 30px;
    padding-left: 7px;
    border-bottom: 1px solid #e5e5e5;
    > span {
      font-size: 14px;
      float: right;
      padding-right: 15px;
      color: #999;
      cursor: pointer;
    }
  }
}
